Sydenham, Ontario (1871 census)
Sydenham was a census subdivision in Ontario, recorded in the 1871 Census of Canada with a population of 4,011. The community is grounded to Wikidata Q7659765. The administrative centroid was at approximately 44.578°N, 80.810°W.
Population
In 1871, Sydenham had a population of 4,011: 2,080 male and 1,931 female residents. Population density was 31.9 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 2,432 |
| 1861 | 3,021 |
| 1871 | 4,011 |
| 1881 | 4,293 |
| 1891 | 3,903 |
| 1901 | 3,406 |
| 1911 | 3,037 |
| 1921 | 2,610 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1871
In the 1871 census, Sydenham shared boundaries with:
Full census record, 1871
The 1871 census recorded 56 measurements for this Census Subdivision across 5 categories. Tables below are collapsible.
Population & families (10 variables)
| Variable | Value |
|---|---|
| Number of families | 681 |
| Number of females | 1,931 |
| Number of males | 2,080 |
| Number of married females | 560 |
| Number of married males | 563 |
| Number of married persons | 1,123 |
| Number of widowed females | 82 |
| Number of widowed males | 39 |
| Number of widowed persons | 121 |
| Total population | 4,011 |
Age structure (3 variables)
| Variable | Value |
|---|---|
| Number of single females under 18 | 1,289 |
| Number of single males under 18 | 1,478 |
| Number of single persons under 18 | 2,767 |
Buildings & housing (5 variables)
| Variable | Value |
|---|---|
| Number of dwellings that are temporary shanties | 1 |
| Number of houses under construction | 5 |
| Number of inhabited houses | 669 |
| Number of occupied houses | 670 |
| Number of uninhabited houses | 20 |
Agriculture (12 variables)
| Variable | Value |
|---|---|
| BAR BU | 20,522 |
| BWT BU | 235 |
| CRN BU | 551 |
| HAY AC | 6,843 |
| HAY TONS | 6,949 |
| OAT BU | 76,420 |
| PEA BU | 32,782 |
| POT AC | 492 |
| POT BU | 53,005 |
| Total area (acres) | 76,000 |
| WHT SP BU | 65,439 |
| WHT WTR BU | 2,228 |
Other recorded variables (26 variables)
| Variable | Value |
|---|---|
| ACRES | 6,143 |
| AREA | 76,000 |
| BEING BUILT | 5 |
| BEN BU | 110 |
| CD | 37 |
| CSD | 6 |
| FAMILIES | 681 |
| FEMALE | 1,931 |
| GRA BU | 505 |
| HOUSES OCCUPIED | 670 |
| INHABITED | 669 |
| MALE | 2,080 |
| MARRIED F | 560 |
| MARRIED M | 563 |
| MARRIED TOTAL | 1,123 |
| POPULATION | 4,011 |
| ROOT BU | 5,463 |
| SHANTIES | 1 |
| SINGLE F | 1,289 |
| SINGLE M | 1,478 |
| SINGLE TOTAL | 2,767 |
| TUR BU | 113,200 |
| UNINHABITED | 20 |
| WIDOWED F | 82 |
| WIDOWED M | 39 |
| WIDOWED TOTAL | 121 |
Identifiers
- TCP UID:
ON037006— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON114016— computed from spatial-overlap chains across census years - Wikidata: Q7659765
- Wikipedia (EN): https://en.wikipedia.org/wiki/Sydenham,_Grey_County,_Ontario
Sources
Census tabulations from the 1871 Census of Canada, transcribed and georeferenced by the Canadian Peoples / TCP project, hosted at the HGIS Lab, University of Saskatchewan. Persistent place identity computed from spatial-overlap chains across all available census years (1851–1921). Identity grounding to Wikidata performed via the HGIS Canada Knowledge Graph project's MCP-assisted disambiguation pipeline. See the About / Methodology page for the full data pipeline.
Cite this page
Clifford, J. (2026). "Sydenham, Ontario (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/sydenham-on037006-1871/.